The description of the valence electron is correct:
选项:
A:Valence electrons are the electrons in the outermost layer of an atom
B:The physical properties of an element are closely related to the number of valence electrons
C:The possible valence states of an element can be studied and inferred from the valence electrons
D:Valence electrons are lower in energy and more stable
发布时间:2024-06-24 10:15:54